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Event ID 15021 HTTPEvent SSL configuration – Exchange Server 2013

Event ID 15021 HTTPEvent error occurred while using SSL configuration for endpoint 0.0.0.0:444

Applies to Exchange Server 2013

This error is traced from the Windows Event Viewer – Windows Logs – System

If your Exchange Server is setup on a Single Server; the Exchange Administration Center (EAC) returns blank page

If there are multiple servers involved; the issues will be restricted to the below

  1. The OWA will allow login, but returns blank similar
  2. Outlook as well any other Exchange Clients will fail to connect
  3. Exchange Management Shell will fail to connect. (Returns Error : FullyQualifiedErrorId : -2144108477,PSSessionOpenFailed

This error crops up due to the usage of non-existing or unassigned certificate.

Open IIS Manager from the server faced with the issue

IIS

From Sites; select Exchange Back End; right click and select Edit Bindings

Edit the Site Binding for https – 0.0.0.0:444

SiteBinding

If the SSL Certificate field shows Not Selected or any wrong Certificate; please ensure the correct certificate is selected.

Click Ok to Save once done

 

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About Sunil Padmanabhan

An Indian based out of Dubai who started traveling from 2011 and pretty much caught the travel bug. Every year presents itself as an opportunity to visit and explore a new place.

Posted on February 24, 2015, in Exchange Server, Exchange Server 2013 and tagged , . Bookmark the permalink. 1 Comment.

  1. Thanks a lot. That solved my issue.

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